Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2037 2037

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.8088 	land 	CRU	25.13	0.66
msl 	  2.0838 	global 	COADS	11.69	0.17
qnet 	 20.1886 	ocean 	OAFLUX	14.24	1.41
tp 	 41.1056 	global 	CMAP	38.87	1.05
ewss 	  7.7426 	ocean 	DASILVA	4.03	1.92
nsss 	  4.8622 	ocean 	DASILVA	3.10	1.56
SST 	 55.8571 	ocean 	GISS	17.21	3.24
SSS 	  0.1837 	ocean 	levitus	0.22	0.83
SICE 	1525.2511 	ocean 	GISS	0.34	4486.03
T 	 37.0257 	zonal 	ERA40	38.89	0.95
U 	  2.9553 	zonal 	ERA40	12.07	0.24
V 	  2.2983 	zonal 	ERA40	8.25	0.27
Q 	 31.3847 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 346.1069
Partial PI (atm only) is   : 0.6285

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2037 2037

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.8837 	land 	CRU	25.13	0.47
msl 	  2.0838 	global 	COADS	11.69	0.17
qnet 	 18.9884 	ocean 	OAFLUX	14.24	1.33
tp 	 41.1056 	global 	CMAP	38.87	1.05
ewss 	  8.1759 	ocean 	DASILVA	4.03	2.02
nsss 	  4.6154 	ocean 	DASILVA	3.10	1.48
SST 	 55.8571 	ocean 	GISS	17.21	3.24
SSS 	  0.1837 	ocean 	levitus	0.22	0.83
SICE 	1525.2511 	ocean 	GISS	0.34	4486.03
T 	 36.6934 	zonal 	ERA40	38.89	0.94
U 	  2.8456 	zonal 	ERA40	12.07	0.23
V 	  2.1663 	zonal 	ERA40	8.25	0.26
Q 	 26.1704 	zonal 	ERA40	29.41	0.88

Total Performance Index is : 346.0715
Partial PI (atm only) is   : 0.5714